html,
body {
    height: 100%;
    background-image: url(../assets/images/backgrounds/2.jpg);
    background-repeat: no-repeat;
    background-position: -30px -250px;
    background-size: 1500px;
}

.nav {
    width: 100%;
    height: 62px;
    background-color: dimgray;
    border-radius: 30px;
    align-items: center;
    color: aliceblue;
    display: flex;
    font-size: 20px;
    background-color: rgba(51, 51, 51, 0.4);
}

.nav img {
    width: 55px;
    height: 55px;
    border-radius: 30px;
    margin-left: 4px;
    margin-right: 8px;
}

.nav .spacer {
    width: 70%;
}

.nav a {
    color: rgb(255, 255, 255);
    text-decoration: none;
    font-weight: 200;
    padding: 0 15px;
}

.container {
    width: 1000px;
    height: 735px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.container .container-left {
    height: 100%;
    width: 200px;
}

.card {
    height: 300px;
    background-color: rgba(250, 250, 250, 0.8);
    border-radius: 20px;
    padding: 25px;
}

.card img {
    width: 150px;
    height: 150px;
    border-radius: 75px;
    text-align: center;
}

.card h3 {
    text-align: center;
}

.card a {
    display: block;
    text-align: center;
}

.space {
    width: 20px;
}

.container .container-right {
    height: 100%;
    width: 730px;
    background-color: rgba(250, 250, 250, 0.8);
    border-radius: 20px;
}

.counter {
    display: flex;
    padding: 10px;
    justify-content: space-around;
}

.space {
    width: 20px;
    height: 20px;
}

.contents {
    width: 50px;
    height: 200px;
    overflow: auto;
    float: left;
    margin: 5px;
    border: none;
    border-radius: 20px;
    font-display: flex;
}

.contents {
    width: 30px;
    height: 300px;
    margin: 0 auto;
}

.contents::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 10px;
    /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}

.contents::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    border-radius: 10px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    background: #535353;
}

.contents::-webkit-scrollbar-track {
    /*滚动条里面轨道*/
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    background: #ededed;
}

.comments::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 10px;
    /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}

.comments::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    border-radius: 10px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    background: #535353;
}

.comments::-webkit-scrollbar-track {
    /*滚动条里面轨道*/
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    background: #ededed;
}